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Fair Value Measurements (Loss) Gain On Assets and Liabilities Measured On A Recurring Basis (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Financial Instrument [Line Items] |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | $ 8,328 | $ 500
Mortgage Loans Held for Sale [Member] |  |
Financial Instrument [Line Items] |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | 3,975 | (5,956)
Forward Sales of Mortgage Backed Securities [Member] |  |
Financial Instrument [Line Items] |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | 1,235 | 13,560
Interest Rate Lock Commitments [Member] |  |
Financial Instrument [Line Items] |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | 3,498 | (7,229)
Whole Loan Contracts [Member] |  |
Financial Instrument [Line Items] |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | $ (380) | $ 125

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